Buckle



FIG. 1 shows a perspective view of my design for a buckle as assembled;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a perspective view of my design for a buckle as disassembled;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a side view of the design for a buckle as assembled;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof. 

The ornamental design for a buckle, as shown and described. 